Bike
A hybrid or Touring bike is the best option, but whatever bike you have will do
Tools
Carry a puncture repair kit, spare innertube and some small tools
Waterproofs
Clothing suitable for the weather. You need to keep warm and dry throughout the day
Food and Drink
Even if you intend to buy food from a cafe it is advisable to take some food with you
Money
For cafe stops
Mobile phone
For emergencies
Lights
Front and rear lights particularly in winter